Science

Tuesday, 14 October 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Tears
Basal tears production drops with age.
Especially common for women, it is a result of hormonal changes after menopause.
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Brain
Brain cells are produced throughout life.
Until the publication of research on neurogenesis in 2018, it was assumed that the process of creating neurons ends in childhood.
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Milky Way
It was only in 1610 that Galileo discovered that the Milky Way was made of stars.
Previously, it was believed that it could be part of the Earth's atmosphere or underexposed stars (it was believed that stars shine with light reflected from the Sun) that were in the Earth's shadow.
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Moon
The Moon's atmosphere consists of 25 percent helium, 25 percent neon, 23percent hydrogen, 20 percent argon and residual amounts of methane, ammonia and carbon dioxide.
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Fungi
Most fungi develop as hyphae, which are cylindrical, thread-like structures 2-10 µm in diameter and up to several centimeters long.
The hyphae branch and connect, which leads to the formation of mycelium, which is an interconnected ...
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Fungi
Fungi were considered a separate kingdom, more closely related to animals than to plants.
This was determined based on phylogeny (origin), biochemistry, and anatomy. Fungi are considered to ...
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lava
One of the main types of flowing lava is "stony rough lava" - aa.
Aa is basaltic lava and is characterized by a rough, jagged surface. It forms rare but large gas bub ...
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Anorexia Nervosa
Trauma is also a risk factor for anorexia-there is a link between traumatic events and an eating disorder diagnosis.
Approximately 72 percent of people with anorexia report a traumatic event before the onset of eating ...
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Mushrooms
Growing in North America, Europe and Asia, a fungus called Hydnellum peckii, secretes a red blood substance on a white hat.
The fungus is inedible, but unfailingly decorative.
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Moon
The diameter of the Moon is 3474 km, which means it is approximately 1/4 of the diameter of the Earth.
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17 facts about Titan
17 facts about Titan
The largest of Saturn’s satellites
Titan is the only moon in the Solar System with such a dense atmosphere. It is the second largest moon in the Solar System after Ganymede (Jupiter III ...
18 facts about amber
18 facts about amber
Fossilized tree resin
Amber is one of the most interesting natural products. It looks like a gemstone, but it is a fossilized tree resin from ancient trees dating back mill ...
16 facts about liver
16 facts about liver
24/7 laboratory
The liver is one of the most essential human organs. It is extensively multitasking—it produces, filtrates, converts, and stores. It is thanks to the ...
29 facts about NASA
29 facts about NASA
For the Benefit of All
The Cold War, although a grim period in world history, brought an intense rivalry in a space race between the U.S., and the Soviet Union. As a result, ...
16 facts about Aurora
16 facts about Aurora
Northern light that has delighted people for centuries
Auroras can be different. Sometimes it is bright and dancing, shimmering with different colors, sometimes it appears still. It has always fascinated p ...
19 facts about Brain
19 facts about Brain
Organic supercomputer
The brain is one of the most important and most fascinating and complex organs in the human body. It is an incredibly plastic command center that over ...
16 facts about Phobos
16 facts about Phobos
The larger of two moons of Mars
We do not know the exact origin of this satellite. We know, however, that it is dangerously close to its planet and is in for a catastrophe. It is not ...
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